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Finding the Fourth Proportional to 79,939.44, 119,921 and 26,614

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Solution

The fourth proportional to 79,939.44, 119,921 and 26,614 is: 39,924.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,939.44 : 119,921 = 26,614 : x
  2. Step 2: Convert to fraction form
    79,939.44/119,921 = 26,614/x
  3. Step 3: Cross multiply
    79,939.44x = 119,921 × 26,614
  4. Step 4: Simplify right side
    79,939.44x = 3,191,577,494
  5. Step 5: Solve for x
    x = 3,191,577,494/79,939.44
  6. Step 6: Final answer
    x = 39,924.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.